diff options
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r-- | Documentation/kernel-parameters.txt | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index ea38cd1f0aba..a92c5ebf373e 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt | |||
@@ -335,6 +335,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted. | |||
335 | requirements as needed. This option | 335 | requirements as needed. This option |
336 | does not override iommu=pt | 336 | does not override iommu=pt |
337 | 337 | ||
338 | amd_iommu_dump= [HW,X86-64] | ||
339 | Enable AMD IOMMU driver option to dump the ACPI table | ||
340 | for AMD IOMMU. With this option enabled, AMD IOMMU | ||
341 | driver will print ACPI tables for AMD IOMMU during | ||
342 | IOMMU initialization. | ||
343 | |||
338 | amijoy.map= [HW,JOY] Amiga joystick support | 344 | amijoy.map= [HW,JOY] Amiga joystick support |
339 | Map of devices attached to JOY0DAT and JOY1DAT | 345 | Map of devices attached to JOY0DAT and JOY1DAT |
340 | Format: <a>,<b> | 346 | Format: <a>,<b> |
@@ -397,8 +403,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted. | |||
397 | atkbd.softrepeat= [HW] | 403 | atkbd.softrepeat= [HW] |
398 | Use software keyboard repeat | 404 | Use software keyboard repeat |
399 | 405 | ||
400 | autotest [IA-64] | ||
401 | |||
402 | baycom_epp= [HW,AX25] | 406 | baycom_epp= [HW,AX25] |
403 | Format: <io>,<mode> | 407 | Format: <io>,<mode> |
404 | 408 | ||
@@ -508,6 +512,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted. | |||
508 | Also note the kernel might malfunction if you disable | 512 | Also note the kernel might malfunction if you disable |
509 | some critical bits. | 513 | some critical bits. |
510 | 514 | ||
515 | cma=nn[MG] [ARM,KNL] | ||
516 | Sets the size of kernel global memory area for contiguous | ||
517 | memory allocations. For more information, see | ||
518 | include/linux/dma-contiguous.h | ||
519 | |||
511 | cmo_free_hint= [PPC] Format: { yes | no } | 520 | cmo_free_hint= [PPC] Format: { yes | no } |
512 | Specify whether pages are marked as being inactive | 521 | Specify whether pages are marked as being inactive |
513 | when they are freed. This is used in CMO environments | 522 | when they are freed. This is used in CMO environments |
@@ -515,6 +524,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted. | |||
515 | a hypervisor. | 524 | a hypervisor. |
516 | Default: yes | 525 | Default: yes |
517 | 526 | ||
527 | coherent_pool=nn[KMG] [ARM,KNL] | ||
528 | Sets the size of memory pool for coherent, atomic dma | ||
529 | allocations if Contiguous Memory Allocator (CMA) is used. | ||
530 | |||
518 | code_bytes [X86] How many bytes of object code to print | 531 | code_bytes [X86] How many bytes of object code to print |
519 | in an oops report. | 532 | in an oops report. |
520 | Range: 0 - 8192 | 533 | Range: 0 - 8192 |
@@ -1444,8 +1457,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted. | |||
1444 | devices can be requested on-demand with the | 1457 | devices can be requested on-demand with the |
1445 | /dev/loop-control interface. | 1458 | /dev/loop-control interface. |
1446 | 1459 | ||
1447 | mcatest= [IA-64] | ||
1448 | |||
1449 | mce [X86-32] Machine Check Exception | 1460 | mce [X86-32] Machine Check Exception |
1450 | 1461 | ||
1451 | mce=option [X86-64] See Documentation/x86/x86_64/boot-options.txt | 1462 | mce=option [X86-64] See Documentation/x86/x86_64/boot-options.txt |